Comparison

Firstgrin vs CORTHEA

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Firstgrin

This app guides users on a journey to better oral health through habit tracking, expert advice, and a dentist locator. It also provides an emergency guide for dental trauma and interactive learning modules for all ages.

Highlights
  • Brushing habit tracking
  • Dental professional insights
  • Nearby dentist locator
  • Digital dental trauma guide
  • Interactive oral care learning
Features
Read full description

Step into a revolutionary oral health journey with Firstgrin, where we blend the best of tech and dental care to offer an all-encompassing experience for users of all ages. Feature Highlights: - Habit Tracking: Consistency leads to results. Our intuitive brushing logger keeps you on track, ensuring that your teeth get the attention they deserve. Over time, watch your habits evolve and your oral health improve. - Expert Insights: Knowledge is power. Dive into a curated pool of tips, advice, and articles crafted by dental professionals. From daily dental care routines to advanced oral health topics, stay updated and informed. - Dentist Locator: Finding the right dentist can be daunting. Our comprehensive directory connects you to trusted professionals nearby. Filter by specialty and distance to find the perfect match for your needs. - Digital Trauma Guide: Because emergencies don't wait. Whether it's a baby tooth or adult tooth, our evidence-based step-by-step guide offers immediate steps to take while you seek professional help. Be empowered and prepared for any dental hiccup. - Interactive Learning: Engage with our easy, fun, interactive modules that make learning about oral care a delightful experience. Because good habits start young. Why Firstgrin? Because your smile matters. Firstgrin takes the guesswork out of oral care, offering tools, resources, and connections right at your fingertips. From novices to dental enthusiasts, Firstgrin is an essential app for everyone. Pave the way to peak oral health. Download Firstgrin today. Standard Apple Terms of Use (EULA) applies: http://www.apple.com/legal/itunes/appstore/dev/stdeula Privacy Policy: https://yourfirstgrin.com/policies/privacy-policy

About

CORTHEA

Features
Read full description

CORTHEA – Dein Holistic Health Center in einer App. Buche Sessions, entdecke Events, verwalte deine Mitgliedschaft und tauche ein in die Welt ganzheitlicher Gesundheit – - Einfaches Buchen und Verwalten Buche deine Treatments, Coachings und Trainingssessions direkt über die App. Alle Termine sind übersichtlich im integrierten Kalender dargestellt – mit automatischer Erinnerungsfunktion. - Events & Workshops Entdecke aktuelle Events, Retreats und Workshops. Erfahre Details zu Inhalten, Trainern und Terminen und sichere dir deinen Platz direkt in der App. - Mitgliedschaften im Überblick Verwalte deine Mitgliedschaft unkompliziert: sieh deine Laufzeiten, Vorteile und exklusiven Angebote auf einen Blick. - CORTHEA Shop Finde hochwertige Produkte, Supplements und Lifestyle-Essentials, die dein ganzheitliches Wohlbefinden unterstützen – direkt über die App bestellbar. - Blog & Wissen Lass dich von Expertenartikeln, Interviews und Tipps zu Themen wie Bewegung, Ernährung, Regeneration und Mindset inspirieren. - Persönliche Übersicht Behalte alle deine Buchungen, Mitgliedschaften und Bestellungen zentral im Blick – übersichtlich, klar und intuitiv gestaltet. - Zugang zur CORTHEA Community Bleibe mit CORTHEA verbunden – entdecke neue Angebote, Updates und Inhalte aus deinem Holistic Health Center.

Screenshots

Firstgrin4 screens
CORTHEA3 screens

Verdict

The call

The clearest difference is in-app purchases: CORTHEA at none against Firstgrin's 8. CORTHEA also leads on ads (none vs shown) and update cadence (every 3 weeks vs every 2 months). On price, device support and iOS requirement there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Firstgrin sells 8 in-app purchases, starting at $4.99 per month. CORTHEA asks for nothing beyond the download.

UpkeepUpdate frequency

Firstgrin ships an update every 2 months, CORTHEA every 3 weeks. The most recent releases landed on November 3, 2026 and November 5, 2026 respectively.

Scorecard3 real differences · 7 level
Firstgrin versus CORTHEA: the parameters behind the verdict, then further details
ParameterFirstgrinCORTHEA
PriceFreeFree
Rating5.0 (26 ratings) — better—
Positive reviews100.0% of reviews—
Number of ratings26 — better—
Update frequencyEvery 2 monthsEvery 3 weeks — better
AdsYesNo — better
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.0 — better15.1
Further details — not scored
Size100 MB393 MB
Age rating12+4+
DeveloperFirstgrin LLCCORTHEA GmbH

In-app purchases

8 purchases

Firstgrin

Subscriptions5
  • Monthly Premium$4.991 Month
  • Monthly Premium1 Month trial$4.991 Month
  • Yearly Premium$9.991 Year
Show 2 more
  • Insurance Yearly1 Year trial$9.991 Year
  • Yearly Premium$19.991 Year
One-time3
  • 50 Chat Credits$2.99
  • 150 Chat Credits$7.99
  • 500 Chat Credits$19.99
None

CORTHEA

No in-app purchases

Questions

Is Firstgrin free?
Firstgrin is free to download, with in-app purchases available.
Is CORTHEA free?
CORTHEA is free to download, with no in-app purchases.
Do Firstgrin or CORTHEA have ads?
Firstgrin shows ads; CORTHEA does not.
Which is updated more often, Firstgrin or CORTHEA?
Firstgrin ships an update every 2 months, and CORTHEA every 3 weeks. Most recently, Firstgrin was updated on November 3, 2026 and CORTHEA on November 5, 2026.

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